/Engine/Source/Editor/DataLayerEditor/Public/DataLayer/DataLayerEditorSubsystem.h
Gets the UDataLayerInstances associated to the each DataLayerAssets
The array of UDataLayerInstances corresponding to a DataLayerAsset in the DataLayerAssets array
[TArray](API\Runtime\Core\Containers\TArray)< [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) * > GetDataLayerInstances ( const [TArray](API\Runtime\Core\Containers\TArray)< [UDataLayerAsset](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerAsset) * > DataLayerAssets ) const